Home / 69,810.08-104,675.45-47,650.28

Finding the Fourth Proportional to 69,810.08, 104,675.45 and 47,650.28

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Solution

The fourth proportional to 69,810.08, 104,675.45 and 47,650.28 is: 71,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,810.08 : 104,675.45 = 47,650.28 : x
  2. Step 2: Convert to fraction form
    69,810.08/104,675.45 = 47,650.28/x
  3. Step 3: Cross multiply
    69,810.08x = 104,675.45 × 47,650.28
  4. Step 4: Simplify right side
    69,810.08x = 4,987,813,740.00
  5. Step 5: Solve for x
    x = 4,987,813,740.00/69,810.08
  6. Step 6: Final answer
    x = 71,448.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.